More importantly, today's additions put the list over an important milestone, which is that it now includes over 500 Xbox and Xbox 360 games, all of which are playable on the entire Xbox One family of consoles.

This is your chance to experience the other side of an alien invasion. Take on the role of alien Cryptosporidium 137 and terrorize the people of Earth to harvest their DNA in the most brazen action-adventure you've ever played. Take over all of humanity using a variety of alien weaponry on land or in the air. Take over all of humanity using a variety of alien weaponry such as a ray gun, an anal probe gun, the Ion Detonator, the Zap-O-Matic, the Sonic Boom, the Quantum Deconstructor, a powerful nuclear weapon that can launch radioactive bombs, and more – on land or in the air. Crypto can use Telekinesis to throw cars, trucks and cows to create even more of a turmoil or disguise himself as a puny human. For transport, use a jet pack for short distances or your UFO for travelling long distances and abducting or destroying humans. Take one giant step on mankind!

The U.S. Army is the most powerful ground force in the entire world. The backbone of a ground invasion is the U.S. Army Infantry, and in the midst of combat, their skills, courage, and teamwork are put to the test. While readiness continues to be the U.S. Army's top priority, how it goes about its business is changing. Full Spectrum Warrior began as a training aid for the U.S. Army to reinforce Army doctrine and team effort within the troops. It is the most realistic portrayal of Infantry-level urban warfare via unique tactical action gameplay. Players become the Squad Leader, commanding Alpha and Bravo squads. There is potential for danger down every alley, behind every window. Watch those angles folks, we've got a job to do here. Hooah! Unique combination of tactical and action gameplay. Authentic implementation of U.S. Army Infantry doctrine. Simple control scheme lets you command eight soldiers in real time. Squad equipment reflects real weaponry and equipment currently in use by the U.S. Army. Immersive urban environments with danger around every corner. 2-player co-op, each player controls one fire team.

Anything goes in this Playground of Destruction. You are a lethal Mercenary. Your mission is to topple a sinister military regime by any means necessary. If it drives or flies, you can hijack it. If it shoots or explodes, you can use it as a weapon. You are free to go anywhere, destroy anything and blow the crap out of everything. In this playground of destruction, there are no limits, no barriers and no mercy.

Rainbow Studios returns to its heritage to bring the definitive next-generation off-road game to life. Featuring enormous free world environments and an extensive racing career mode, MX Unleashed is one big off-road playground. If you want more intense action, battle it out with a monster truck, helicopter, or bi-plane!

Fight on the front lines where every weapon and vehicle is yours. And now for the first time, Star Wars Battlefront II lets you... Fight as a Jedi - Earn the ability to wield a lightsaber and use Force powers like Yoda, Darth Vader and many other Heroes and Villains. Battle in Space - Dogfight in X-wings, TIE fighters, Jedi Starfighters and other classic starships, or land your ship on a Star Destroyer and fight it out on foot aboard enemy ships. Play 16 New Locations - Battle across Star Wars: Episode III environments such as Utapau, Mustafar and the epic space battle above Coruscant. Engage in Massive Online Battles

Jedi Knight: Jedi Academy is the latest installment of the highly acclaimed Jedi Knight series. Take on the role of a new student eager to learn the ways of the Force from Jedi Master Luke Skywalker. Interact with famous Star Wars characters in many classic Star Wars locations as you face the ultimate choice: fight for good and freedom on the light side or follow the path of power and evil to the dark side.

This time your choices affect everyone around you It is a time of darkness, five years after the events of the award-winning KOTOR. The Sith Lords have hunted the Jedi Order to the edge of extinction and a lone Jedi Knight remains - you. As you struggle to reconnect with the Force, your decisions will lead you to the light or dark side and will affect everyone around you. The fate of the galaxy rests in your hands!

Chaos has erupted throughout the galaxy. As leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.

If you're looking for new games on the cheap, it's not too late to claim some of April's Games with Gold, which offers four free games per month to Xbox Live Gold subscribers. You've got until the end of the month to grab The Witness (Xbox One) and Dead Space 2 (Xbox 360), and until May 15 to claim Assassin's Creed Syndicate (Xbox One).